Stomach Digestion Process Explained: How Food Breaks Down Naturally
How Food Breaks Down in the Stomach: A Complete Guide to Digestion Ever wondered what actually happens to that sandwich the moment you swallow it? Digestion is one of the body's most fascinating processes, and the stomach plays a starring role. Here's a clear, step-by-step breakdown of how food is broken down once it enters your stomach. 1. Food Enters the Stomach After you chew and swallow, food travels down the esophagus and passes through the lower esophageal sphincter into the stomach. This muscular valve prevents food (and stomach acid) from flowing back up. 2. Mechanical Digestion Begins The stomach isn't just a holding tank — it's an active mixer. Its three layers of smooth muscle contract in wave-like motions called peristalsis, churning food and mixing it thoroughly with digestive juices. This physically breaks large food particles into smaller ones. 3. Chemical Digestion: Gastric Juice Gets to Work The stomach lining secretes gastric juice, a power...